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Pernodoceras
Taxonomy
Pernodoceras was named by Zhao and Liang (1974).
It was synonymized subjectively with Pseudotirolites by Leonova (2002).
It was assigned to Pseudotirolitidae by Korn (2006).
It was synonymized subjectively with Pseudotirolites by Leonova (2002).
It was assigned to Pseudotirolitidae by Korn (2006).
Synonymy list
| Year | Name and author |
|---|---|
| 1974 | Pernodoceras Zhao and Liang p. 306 |
| 2006 | Pernodoceras Korn |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Pernodoceras Zhao and Liang 1974
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†Pernodoceras fenghaiense Wang 1990
†Pernodoceras guangyuanense Zhao et al. 1978
†Pernodoceras kwangsiense Chao and Liang 1966
†Pernodoceras multinodosum Zhao et al. 1978
†Pernodoceras robustum Zhao and Liang 1974
†Pernodoceras subtrapezoidale Zhao et al. 1978
†Pernodoceras yonganense Wang 1990
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 10 | 21.3 | 15.1 | 30.1 | 21.6 | 6.87 | |
| shell diameter | 10 | 58.3 | 27.3 | 95.6 | 64.7 | 21.9 | |
| shell inflation | 10 | 26.0 | 15.3 | 34.1 | 29.6 | 8.28 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Changhsingian or 254.14000 to 251.90200 Ma
Collections (34 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Changhsingian | China (Guangxi) | P. kwangsiense (121634 210124) P. multinodosum (121629 210118) P. sp. (149214 149215 149216 206105 206152 206156) P. sp., P. kwangsiense (210127) | |
| Changhsingian | China (Guizhou) | P. kwangsiense (97301 112085 121632 121654 121680) P. multinodosum (149293) P. robustum, P. subtrapezoidale (98030) P. sp. (121690 149294 151130 151131) P. sp., P. kwangsiense (151132) P. sp., P. kwangsiense, P. robustum (149288) P. sp., P. subtrapezoidale (149295) | |
| Changhsingian | China (Anhui) | P. sp. (121665) | |
| Changhsingian | China (Fujian) | P. sp. (95488 95500 121428 121429) P. yonganense, P. fenghaiense (95483) | |
| Changhsingian | China (Sichuan) | P. guangyuanense (98048) P. multinodosum (148463 148465) |